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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/29260

Title: Copepod community structure over a marine outfall area in the north-eastern South China Sea
Authors: Li-Chun Tseng;Ram Kumar;Hans-Uwe Dahms;Chun-Te Chen;Sami Souissi;Qing-Chao Chen;Jiang-Shiou Hwang
Contributors: NTOU:Institute of Marine Biology
Keywords: zooplankton;underwater outfall system;sewage abatement;Taiwan Strait
Date: 2008-08
Issue Date: 2011-10-21T03:05:04Z
Publisher: Journal of the Marine Biological Association of the UK
Abstract: Abstract:This study focuses on the dynamics of copepod abundances and species composition in the upper water column of a marine outfall area Tso-Ying (T-Y) in the boundary waters of the north-eastern South China Sea and the Taiwan Strait as an example. Zooplankton samples were collected in March, June and September 2002. Mean copepod abundance at all stations ranged from a minimum of 9.4 (individuals m−3) in March to a maximum of 1685 (individuals m−3) in June. A total of 66 copepod species belonging to 31 genera and 19 families were identified during three cruises. Copepod assemblages were dominated by Temora turbinata which occurred in >97% samples with a relative abundance of 75.46% combining all three sampling cruises. The ordination diagram derived from non-metric multidimensional scaling separated samples on the basis of season and revealed that different sampling stations clustered differently during each cruise. The second and third most dominant species were Acrocalanus gracilis and Acrocalanus gibber, representing 1.73% and 1.65% of the total copepod abundance respectively. The outfall area studied here correlates with lower copepod densities represented by a few species that show a higher relative abundance in comparison with non-affected areas. We provide here the first example where plankton assemblages indicate useful information about environmental changes in the course of sewage disposal at a stable outlet site.
Relation: 88(5), pp.955-966
URI: http://ntour.ntou.edu.tw/handle/987654321/29260
Appears in Collections:[海洋生物研究所] 期刊論文

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